body {
  font-family: sans-serif;
  font-size: 100%;
  height: 100%;
  width: 100%;
  margin: 0;
  background: -moz-linear-gradient(180deg, rgba(3,4,9,1) 70%, rgba(44,47,52,1) 100%);
  background: -webkit-linear-gradient(180deg, rgba(3,4,9,1) 70%, rgba(44,47,52,1) 100%);
  background: linear-gradient(180deg, rgba(3,4,9,1) 70%, rgba(44,47,52,1) 100%);
  background-image: linear-gradient(180deg, rgba(3,4,9,1) 70%, rgba(44,47,52,1) 100%);
  background-attachment: fixed;
}

img {
  position: absolute;
  max-width: 80%;
/*  box-shadow: 0 3px 6px rgba(0, 0, 0, 0.9);*/
}
img:empty {
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
@media screen and (orientation: portrait) {
  img {
    max-width: 90%;
  }
}
@media screen and (orientation: landscape) {
  img {
    max-height: 90%;
  }
}